64723354711 has 4 divisors (see below), whose sum is σ = 64724355000. Its totient is φ = 64722354424.

The previous prime is 64723354697. The next prime is 64723354739. The reversal of 64723354711 is 11745332746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64723354711 - 2⁷ = 64723354583 is a prime.

It is a super-2 number, since 2×64723354711² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64723354781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395836 + ... + 534913.

It is an arithmetic number, because the mean of its divisors is an integer number (16181088750).

Almost surely, 2^64723354711 is an apocalyptic number.

64723354711 is a deficient number, since it is larger than the sum of its proper divisors (1000289).

64723354711 is an equidigital number, since it uses as much as digits as its factorization.

64723354711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000288.

The product of its digits is 423360, while the sum is 43.

The spelling of 64723354711 in words is "sixty-four billion, seven hundred twenty-three million, three hundred fifty-four thousand, seven hundred eleven".